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Watts 0856742 is a CSM-61 series 1-1/4" flow measurement valve designed to monitor system flow in low- to medium-flow HVAC units. It has a bronze body with a bi-directional positive-shutoff ball valve, blow-out proof stem, position indicator and memory device, checked metering ports with drip caps, two brass pressure taps and integral drain ports with a brass drain plug. The unit uses female threaded FPT connections and is not compliant for potable water use.
Accurate flow monitoring for low- to medium-flow HVAC applications including fan coil units, water source heat pumps, reheat coils and small branch lines.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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